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Kasper Instruments Inc

Kasper Ins

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4228902A	Carrier for semiconductive wafers	Expired / Lapsed	1979-02-21	1980-10-21	23	Details
US4153164A	Carrier for semiconductive wafers	Expired / Lapsed	1978-06-13	1979-05-08	7	Details
US4070117A	Apparatus for the automatic alignment of two superimposed o…	Expired / Lapsed	1976-01-21	1978-01-24	22	Details
US3683195A	Apparatus for the automatic alignment of two superimposed o…	Expired / Lapsed	1971-03-22	1972-08-08	0	Details